Was the Pontiac 400 a big block?
Was the Pontiac 400 a big block?
Ford 332 (5.4 litre) Interceptor big block V8. A Chevrolet Camaro 396 had a big block, but a Pontiac Firebird 400 did not. Buick and Oldsmobile 455s were big blocks, but a Pontiac 455 was not. Thus, segregating engines and engine families into small and big block categories became useful shorthand.
How much horsepower can you get out of a Pontiac 400?
Back in the day, the most powerful 400 (Ram Air IV) made by Pontiac put out 370 hp (GTO), so 512 hp is certainly a ton more performance; all in, it’s a package that looks deceptively stock.
What size engine came in a 1977 Trans Am?
6.6-liter
This small modification was made to remind viewers of Trans Am models from 1969, which had in excess of 300 horsepower. Although 1977 models also featured 6.6-liter engines, they were rated at only 200 horses.
Is the Pontiac 400 a good engine?
Performance. The Pontiac 400 engine was used as a high performance engine in sports cars, and it was used in large cars as a workhorse type engine, strong on power, though not as speedy as the higher performance engines. This was accomplished to a large extent by the use of carburetors.
What should the compression be on a Pontiac 400?
Note: Low compression pressures on HO 400, HO 428, & Ram Air engines are not a valid indication of engine condition. Due to the long valve overlap period with camshafts used in these engines, compression readings at cranking speeds as low as 120 PSI are considered normal.
Did Pontiac make a 400 small block?
The basic 400 continued through the 1978 model year, and the 428 grew into the 455 for 1970 when a 0.21-inch increase in stroke was added to its crankshaft. The 455 went away after 1976, and Pontiac went to work developing an entirely new small-displacement V8 whose total design was aimed at maximizing fuel economy.
What size motor is a 6.6 Pontiac?
Powertrain specs
| Engine type | V8 |
|---|---|
| Displacement | 6.6 l (400 ci / 6558 cc) |
| Power | 203 ps (200 bhp / 149 kw) |
| Torque | 441 Nm (325 lb-ft) |
| Power / liter | 31 ps (30 hp) |
Are 62 Pontiac heads any good?
These heads actually make very good platforms for a good performing 400, since the compression is moderate enough for modern pump gas. The heads can be ported, upgraded with some nice stainless valves, and given a good 3- or 4-angle valve job to produce pretty respectable flow and performance.
What was the price of a 1977 Pontiac Trans Am?
1977 Pontiac Trans Am, Rust free Washington State car, 400 V8, Automatic, Starlight Black, Deluxe B… $38,900
What are the specs of a 1977 Pontiac Firebird?
1977 Pontiac Firebird Trans Am Special Edition 1 Specifications (Car and Driver, April 1977) Compression ratio: 8.0:1 2 Transmission (as tested) Final drive ratio: 3.23:1 Turns lock-to-lock: 2.4 3 Wheels & Tires 4 Exterior Measurements 5 Performance. Be the first to like this.
What kind of car is the Trans Am Firebird?
“The Trans Am Firebird SE is one of those rare cars which is more than the sum of its parts. It is a touring car, a sport coupe, the sole survivor of the muscle car era.” Chuck Koch, Auto Reports, March 1977.
When did the Pontiac 400 stop being made?
Even though production of the 400 had ceased, 1979 Pontiac models still featured the 400 engine due to large stockpiles left over from the previous year. In 1980, Pontiac decided to use the Pontiac 301, 4.9 V8 engine to replace the 400.
